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	1.		The role of export taxes in the field of primary commodities / Ro berta Piermartini. by Piermartini, Roberta World Trade Organisation Series: WTO discussion paper ; no.4 Material type: Text Publication details: Geneva : World Trade Organisation , 2004 Availability: Items available for loan: Main Library - Africana (1). Place hold Save to lists Add to cart (remove)
	2.	Image from Amazon.com	Demystifying modelling methods for trade policy / by Roberta Pier martini and Robert Teh. by Piermartini, Roberta Teh, Robert World Trade Organization Series: WTO discussion paper ; no. 10 Material type: Text Publication details: Geneva, Switzerland : World Trade Organization, 2005 Availability: Items available for loan: Main Library - Africana (1)Call number: WTO (08) 4/ 10. Place hold Save to lists Add to cart (remove)
	3.	Image from Amazon.com	Demystifying modelling methods for trade policy / by Roberta Pier martini and Robert Teh. by Piermartini, Roberta Teh, Robert World Trade Organization Series: WTO discussion paper ; no. 10 Material type: Text Publication details: Geneva, Switzerland : World Trade Organization, 2005 Availability: No items available. Save to lists Add to cart (remove)
	4.	Image from Amazon.com	Demystifying modelling methods for trade policy / by Roberta Pier martini and Robert Teh. by Piermartini, Roberta Teh, Robert World Trade Organization Series: WTO discussion paper ; no. 10 Material type: Text Publication details: Geneva, Switzerland : World Trade Organization, 2005 Availability: No items available. Save to lists Add to cart (remove)